Home / 138,265.46-207,428.43-44,780.66

Finding the Fourth Proportional to 138,265.46, 207,428.43 and 44,780.66

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Solution

The fourth proportional to 138,265.46, 207,428.43 and 44,780.66 is: 67,180.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,265.46 : 207,428.43 = 44,780.66 : x
  2. Step 2: Convert to fraction form
    138,265.46/207,428.43 = 44,780.66/x
  3. Step 3: Cross multiply
    138,265.46x = 207,428.43 × 44,780.66
  4. Step 4: Simplify right side
    138,265.46x = 9,288,781,998.16
  5. Step 5: Solve for x
    x = 9,288,781,998.16/138,265.46
  6. Step 6: Final answer
    x = 67,180.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.